Test Center

My Recent Searches

  • No Recent Search.

My Tests Viewed

  • No Test Viewed.
  • Ordering Info

Urinalysis, Complete, with Reflex to Culture [3020X]

Test Code


CPT Code(s)


Preferred Specimen(s)

10 mL random urine submitted in a UA Transport Tube (yellow-top, blue fill line, preservative tube)
Minimum: 4 mL of random urine submitted in a (gray-op) Urine Culture Tube

Minimum Volume

UA Transport Tube: 1 mL

Alternative Specimen(s)

10 mL random unpreserved urine submitted in a sterile, leak-proof urine container

Collection Instructions

The following criteria will be used to trigger a reflex to culture, which will be performed
automatically at an additional charge:
Presence of bacteria AND the presence of WBCs (> 5/hpf) OR leukocyte esterase
Presence of nitrite AND the presence of WBCs (> 5/hpf) OR leukocyte esterase
Presence of leukocyte esterase alone
Presence of WBCs (> 5/hpf) alone
Presence of yeast

Cleanse the urethral/glans area with soap and water and rinse with wet gauze pads. Encourage mid stream samples to minimize contamination and improve accuracy. Label the sample appropriately and store at room temperature until pick-up.
Note: The yellow-top, blue fill line tube cannot be used for collection and transport of specimens for urine culture.

Submit two separate specimens:
1). 10 mL (1 mL minimum) urine in urinalysis transport tube (yellow-top, blue fill line, preservative tube).
2). 4 mL (fill to minimum line printed on tube; unpreserved for Cultures 0.5 mL minimum) urine in urine culture tube (gray-top) tube.

Other acceptable specimen type:
Specimens not submitted in urine preservative tube (specimens from long term care and/or pediatric difficult collections only).

Specimen Container

UA Transport Tube Gray Top Urine Culture Tube

Transport Temperature

Preserved: Room temperature
Unpreserved: Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: Acceptable
Frozen: Unacceptable
Room temperature: 2 hours
Refrigerated: 24 hours
Frozen: Unacceptable


Culture • Reflectance Spectrophotometry/Microscopic Exam

Performing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

Setup Schedule

Set up: Daily p.m. and nights; Report available: Next day

Reference Range(s)

See Laboratory Report

Clinical Significance

Urinalysis and urine microscopy are useful in providing information regarding the renal and metabolic status of the patient.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
25427BPROG. URINE CULTURE630-4Bacteria identified
3377-ACSpecific Gravity5811-5Specific gravity
3377-AIOccult Blood5794-3Hemoglobin
3377-AKLeukocyte Esterase5799-2Leukocyte esterase
3377-BDSquamous Epith. Cells11277-1Epithelial cells.squamous
3377-BFHyaline Cast5796-8Hyaline casts
3377-BGGranular Cast5793-5Granular casts
3377-BIAmorphous Crystals8246-1Amorphous sediment
3377-BLComments8251-1Service comment

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.